CN220249007U - Ball valve sealing ring - Google Patents
Ball valve sealing ring Download PDFInfo
- Publication number
- CN220249007U CN220249007U CN202322127199.1U CN202322127199U CN220249007U CN 220249007 U CN220249007 U CN 220249007U CN 202322127199 U CN202322127199 U CN 202322127199U CN 220249007 U CN220249007 U CN 220249007U
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- Prior art keywords
- ball valve
- sealing ring
- sealing
- sealing body
- valve sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 101
- 210000003205 muscle Anatomy 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 10
- 238000000465 moulding Methods 0.000 description 8
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 239000000155 melt Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010030 laminating Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a ball valve sealing ring, and belongs to the technical field of ball valves. The ball valve sealing ring solves the problem that the production cost of the ball valve sealing ring is improved while the stability of the existing ball valve sealing ring is guaranteed. The ball valve sealing ring comprises a sealing body, wherein the outer side wall of the sealing body is a cylindrical surface, a plurality of annular waterproof ribs are arranged on the cylindrical surface, all the waterproof ribs are arranged at intervals from top to bottom, and an annular dovetail groove is formed in the lower end face of the sealing body. The contact area of the valve shell is increased through the plurality of waterproof ribs of the ball valve sealing ring, the waterproof ribs are tightly attached to the valve shell, the sealing performance of the valve shell is remarkably improved, the stability of the ball valve sealing ring in long-time use is guaranteed, and the working stability of the ball valve sealing ring can be guaranteed while the structure is simplified.
Description
Technical Field
The utility model belongs to the technical field of ball valves, and particularly relates to a ball valve sealing ring.
Background
Ball valves are widely applied to industries such as petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and take a significant role in national economy. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be tightly closed only by rotating by 90 degrees and small rotating moment, and when the ball valve is closed, the ball core is tightly attached to the sealing ring so as to ensure sealing.
At present, chinese patent net discloses a disk seat sealing washer, sealed disk seat and ball valve [ application publication number: CN114151544 a), comprising a sealing body and a supporting framework. The support skeleton is embedded in the sealing body, the sealing body comprises an inner ring part, an outer ring part and a connecting part, the inner ring part is located on the inner side of the outer ring part, the inner ring part is connected with the connecting part, the connecting part is connected with the outer ring part, one end part of the inner ring part is provided with a sealing abutting surface, the sealing abutting surface is provided with a sealing bulge extending along the circumferential direction of the sealing body, and a first groove located on one side of the connecting part and a second groove located on the other side of the connecting part are arranged in the sealing body.
The valve seat sealing ring has the following defects: the outer peripheral surface of the outer ring part is of an uneven wavy structure from bottom to top, so that the shape of the valve seat sealing ring is complex, the die opening difficulty of the die is high, the die is inconvenient to process and manufacture, the precision requirement on the die is high, and the production cost of the valve seat sealing ring is improved.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and provides a ball valve sealing ring, which aims to solve the technical problems that: how to reduce the production cost of the ball valve sealing ring while guaranteeing the stability of the ball valve sealing ring.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a ball valve sealing washer, includes the sealing body, its characterized in that, the lateral wall of sealing body is the face of cylinder, have on the face of cylinder a plurality of waterproof muscle that are annular, all waterproof muscle from the top down interval sets up, the dovetail that is annular has been seted up to the lower terminal surface of sealing body.
Compared with the prior art that the outer side wall of the sealing body is wavy, the outer side wall of the sealing body is a cylindrical surface, and a plurality of waterproof ribs are arranged on the cylindrical surface, so that the structure of the sealing body is simplified, the die is convenient to open, the convenience of manufacturing the ball valve sealing ring is improved, the precision requirement on the die is lower, the effects of reducing the production cost and the forming difficulty can be achieved, the contact area of the valve housing is increased by the plurality of waterproof ribs, the waterproof ribs are tightly attached to the valve housing, the sealing performance of the valve housing is obviously improved, the stability of the ball valve sealing ring in long-time use is ensured, and the working stability of the ball valve sealing ring can be ensured while the structure is simplified; the setting of dovetail makes the valve casing in the in-process of moulding plastics, and the melt can flow into the dovetail in, after the valve casing shaping, forms an inserts in the dovetail, and this inserts is integrated into one piece with the valve casing, makes TPE and the valve casing of moulding plastics be connected more firm, plays an anticreep effect to make the joint strength between ball valve sealing washer and the valve casing of moulding plastics more firm, reduce the seepage probability.
In the ball valve sealing ring, the cross section of the waterproof rib is semicircular.
Through the setting of this structure for waterproof muscle is inseparabler with the laminating of valve case, improves sealed effect, also makes things convenient for the die sinking of mould simultaneously.
In the ball valve sealing ring, the dovetail groove is formed in the middle of the lower end face of the sealing body.
Through the setting of this structure, be equivalent to the middle part of sealing body terminal surface under and be connected with the valve casing, improve firmness and the stability of connection.
In the ball valve sealing ring, the inner edge of the upper end face of the sealing body is provided with an outer sealing edge which is arc-shaped.
Through the setting of this structure, this outer sealing edge and ball core contact form sealedly for outer sealing edge is better with ball core laminating, further has promoted the sealed effect of ball valve sealing washer.
In the ball valve sealing ring, an annular step surface is arranged between the upper end surface of the sealing body and the lower end surface of the sealing body, and the inner edge of the step surface is provided with an inner sealing edge which is arc-shaped.
Through the setting of this structure, this interior sealing edge and ball core contact form the second and seal, have promoted the sealed effect of ball valve sealing washer.
Compared with the prior art, the ball valve sealing ring has the following advantages: compared with the prior art that the outer side wall of the sealing body is wavy, the outer side wall of the sealing body is a cylindrical surface, and a plurality of waterproof ribs are arranged on the cylindrical surface, so that the structure of the sealing body is simplified, a die is convenient to open, the convenience in manufacturing a ball valve sealing ring is improved, the precision requirement on the die is lower, the effects of reducing the production cost and the forming difficulty can be achieved, the contact area of a valve shell is increased by the plurality of waterproof ribs, the waterproof ribs are tightly attached to the valve shell, and the sealing performance of the valve shell is remarkably improved; the setting of dovetail makes the valve casing in the in-process of moulding plastics, and the melt can flow into the dovetail in, after the valve casing shaping, forms an inserts in the dovetail, and this inserts and valve casing are integrated into one piece, play an anticreep effect to make the joint strength between ball valve sealing washer and the valve casing of moulding plastics more firm, make TPE and the valve casing of moulding plastics be connected more firm, reduce the seepage probability.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic cross-sectional structure of the present utility model.
In the figure, 1, a sealing body; 10. a cylindrical surface; 11. waterproof ribs; 12. a dovetail groove; 13. an upper end surface; 14. an outer sealing edge; 15. a lower end surface; 16. a step surface; 17. and an inner sealing edge.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 and 2, the ball valve sealing ring comprises a sealing body 1, wherein the outer side wall of the sealing body 1 is a cylindrical surface 10, a plurality of annular waterproof ribs 11 are arranged on the cylindrical surface 10, all the waterproof ribs 11 are arranged at intervals from top to bottom, and annular dovetail grooves 12 are formed in the lower end face of the sealing body 1. Compared with the fact that the outer side wall of the sealing body in the prior art is wavy, the outer side wall of the sealing body 1 is a cylindrical surface 10, a plurality of waterproof ribs 11 are arranged on the cylindrical surface 10, the structure of the sealing body 1 is simplified, a die is convenient to open, the convenience in manufacturing a ball valve sealing ring is improved, the precision requirement on the die is low, the effects of reducing production cost and forming difficulty can be achieved, the contact area of a valve shell is increased by the plurality of waterproof ribs 11, the waterproof ribs 11 are tightly attached to the valve shell, and the sealing performance of the valve shell is remarkably improved; the setting of dovetail 12 makes the valve casing in the injection molding process, and the melt can flow into dovetail 12 in, forms an inserts in the dovetail 12 after the valve casing shaping, and this inserts and valve casing are integrated into one piece, plays an anticreep effect to make the joint strength between ball valve sealing washer and the valve casing of moulding plastics more firm, make TPE and the valve casing of moulding plastics be connected more firm, reduce the seepage probability.
As shown in fig. 1 and 2, the cross section of the waterproof rib 11 is semicircular; the dovetail groove 12 is formed in the middle of the lower end face of the sealing body 1, and the middle of the lower end face 15 of the sealing body 1 is connected with the valve casing, so that the connection firmness and stability are improved.
As shown in fig. 1 and 2, the inner edge of the upper end face 13 of the sealing body 1 has an outer sealing edge 14 which is circular arc-shaped. An annular step surface 16 is arranged between the upper end surface 13 of the sealing body 1 and the lower end surface 15 of the sealing body 1, and the inner edge of the step surface 16 is provided with an inner sealing edge 17 with a circular arc shape. The outer sealing edge 14 and the inner sealing edge 17 are contacted with the ball core to form two seals, so that the sealing effect is improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (5)
1. The utility model provides a ball valve sealing washer, includes sealing body (1), its characterized in that, the lateral wall of sealing body (1) is cylindrical (10), have on cylindrical (10) multichannel be annular waterproof muscle (11), all waterproof muscle (11) from the top down interval sets up, annular dovetail (12) have been seted up to lower terminal surface (15) of sealing body (1).
2. A ball valve seal according to claim 1, wherein the cross section of the water-proof rib (11) is semi-circular.
3. A ball valve seal according to claim 1 or 2, characterized in that the dovetail groove (12) is provided in the middle of the lower end face (15) of the sealing body (1).
4. A ball valve seal according to claim 1 or 2, characterized in that the inner edge of the upper end face (13) of the sealing body (1) has an outer sealing edge (14) which is circular arc-shaped.
5. A ball valve sealing ring according to claim 4, characterized in that a ring-shaped step surface (16) is arranged between the upper end surface (13) of the sealing body (1) and the lower end surface (15) of the sealing body (1), and the inner edge of the step surface (16) is provided with an inner sealing edge (17) which is in the shape of a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322127199.1U CN220249007U (en) | 2023-08-08 | 2023-08-08 | Ball valve sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322127199.1U CN220249007U (en) | 2023-08-08 | 2023-08-08 | Ball valve sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220249007U true CN220249007U (en) | 2023-12-26 |
Family
ID=89269124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322127199.1U Active CN220249007U (en) | 2023-08-08 | 2023-08-08 | Ball valve sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220249007U (en) |
-
2023
- 2023-08-08 CN CN202322127199.1U patent/CN220249007U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |